CVE-2026-1748 MEDIUM

CVE-2026-1748: Invoct – PDF Invoices & Billing for WooCommerce <= 1.6 - Missing Authorization to Authenticated (Subscriber+) Information Exposure

Vendor Kirilkirkov
Product Invoct – PDF Invoices & Billing for WooCommerce
Weakness CWE-862 · Missing authorization
Published February 11, 2026
Last update April 8, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

The Invoct – PDF Invoices & Billing for WooCommerce plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on multiple functions in all versions up to, and including, 1.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to retrieve invoice clients, invoice items, and list of WordPress users along with their emails.

Explanation of Vulnerability in Simple Terms

02Summary

The Invoct plugin for WooCommerce does not properly check user permissions before allowing access to certain functions. A logged-in user with low privileges can read sensitive invoice data they should not have access to. The vulnerability affects versions 1.6 and earlier. Update to a version newer than 1.6 to resolve this issue.

What an attacker can do

03Attacker Capabilities

Read invoice data belonging to other users or orders.

Potential impact on your site

04Site Impact

Customer invoice information may be exposed to other logged-in users, risking privacy violations.

Conditions required to exploit

05Prerequisites

Attacker must be logged in to the WordPress site with a low-privilege account (e.g., customer).

Key dates

06Disclosure timeline

February 11, 2026 CVE published
April 8, 2026 Record updated

Related vulnerabilities

08Related CVE